“One of the key things for sustainability is to support other organisations that are doing good,” Yeo says.

Yeo built the business with his partners based on his love of nature and sustainability, before it was a marketing-must for companies to be green.

“It definitely challenges us to be creative about decisions we make, particularly for our supply chain and supply chain management – who we get stuff from and what their ethos is.

“Sometimes it takes more time and money but there’s also an opportunity to reduce costs.

“We basically don’t use any energy. Our whole system is a 12-volt low-energy system, which runs direct from solar panels on the trees – it runs things like WiFi network, camera systems, any charging required, and electromagnetic safety gates, so that’s all been designed to be really efficient.”